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Geisinger Medical Laboratories Test Catalog
GASTRIN, SERUM |
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Geisinger Epic Procedure Code: LAB2340
Geisinger Epic ID: 45911
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SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Alternate Collection Container: |
6 mL red-top (plain, non-serum separator) tube
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Specimen required: |
1 mL frozen serum, minimum 0.5 mL | |
Special notes: |
This test requires a separate frozen aliquot. It cannot be combined with other testing. | |
Patient preparation: |
Overnight fasting for a minimum of 12 hours is required. | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Frozen | |
Specimen stability: |
Room temperature: Unacceptable. Refrigerated: Unacceptable. Frozen: 28 days | |
Rejection criteria: |
Thawed specimens. Gross hemolysis. Gross lipemia. Grossly icteric. | |
TEST DETAILS |
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Reference interval: |
Reference range applies to fasting specimen only. <5 years Not established 5-17 years <65 pg/mL ≥ 18 years ≤ 100 pg/mL |
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CPT code(s): |
82941 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Methodology: |
Immunoassay |
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Synonyms: |
Quest test code 478 GASTRN
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Clinical significance: |
For the diagnosis and monitoring of gastrin-secreting tumors, gastric ulcer, Zollinger-Ellison syndrome. Increased in pernicious anemia. | |